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CVE-2023-50920

MEDIUMCVSS 5.5/10EPSS 0.20%

Last modified

CVE-2023-50920 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each user reboot, allowing attackers to share session identifiers between different sessions and bypass authentication or access control measures. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each user reboot, allowing attackers to share session identifiers between different sessions and bypass authentication or access control measures. Attackers can impersonate legitimate users or perform unauthorized actions. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
0.20%

9.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Gl-InetGl-Ax1800 Firmware4.3.7
Gl-InetGl-Ax1800 Firmware4.4.6
Gl-InetGl-Axt1800 Firmware4.3.7
Gl-InetGl-Axt1800 Firmware4.4.6
Gl-InetGl-Mt3000 Firmware4.3.7
Gl-InetGl-Mt3000 Firmware4.4.6
Gl-InetGl-Mt2500 Firmware4.3.7
Gl-InetGl-Mt2500 Firmware4.4.6
Gl-InetGl-Mt6000 Firmware4.3.7
Gl-InetGl-Mt6000 Firmware4.4.6
Gl-InetGl-Mt1300 Firmware4.3.7
Gl-InetGl-Mt1300 Firmware4.4.6
Gl-InetGl-Mt300n-V2 Firmware4.3.7
Gl-InetGl-Mt300n-V2 Firmware4.4.6
Gl-InetGl-Ar750s Firmware4.3.7
Gl-InetGl-Ar750s Firmware4.4.6
Gl-InetGl-Ar750 Firmware4.3.7
Gl-InetGl-Ar750 Firmware4.4.6
Gl-InetGl-Ar300m Firmware4.3.7
Gl-InetGl-Ar300m Firmware4.4.6
Gl-InetGl-B1300 Firmware4.3.7
Gl-InetGl-B1300 Firmware4.4.6
Gl-InetGl-A1300 Firmware4.3.7
Gl-InetGl-A1300 Firmware4.4.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-50920?
An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each user reboot, allowing attackers to share session identifiers between different sessions and bypass authentication or access control measures. Attackers can impersonate legitimate users or perform unauthorized actions. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.
How severe is CVE-2023-50920?
CVE-2023-50920 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2023-50920?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-50920?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST